A univoltine species, flying from mid-March to early May (Westrich, 1989; Stanisavljević, 2000; Baldock et al., in prep). Amiet et al. (2004) give a flight period in Switzerland from mid-March to mid-May
Parasites: The fly Cacoxenus indagator (Drosophilidae) is cited as a parasite (Banaszak & Romasenko, 1989).